FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * HORNBUCKLE WILLIAM 2. Issuer Name and Ticker or Trading Symbol MGM Resorts International [ MGM ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
CEO AND PRESIDENT
(Last)         (First)         (Middle)
3600 LAS VEGAS BLVD., S.
3. Date of Earliest Transaction (MM/DD/YYYY)
2/23/2021
(Street)
LAS VEGAS, NV 89109
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock $.01 Par Value ND  2/23/2021    M    19072  A $0  221656  D   
Common Stock $.01 Par Value ND  2/23/2021    F    6876  D $39.59  214780  D   
Common Stock $.01 Par Value ND                 8500  I  By Spouse 
Common Stock $.01 Par Value ND                 227884  I  In trust 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units   (1) 2/23/2021    M        19072    (2) 2/23/2021  Common Stock $.01 Par Value ND  19072  $0  0  D   

Explanation of Responses:
(1)  Restricted Stock Units (RSUs) granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive one share of MGM Resorts International common stock. Any fractional shares are paid in cash upon settlement.
(2)  The RSUs are fully vested. Delivery of shares is being made on the third anniversary of the grant date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
HORNBUCKLE WILLIAM
3600 LAS VEGAS BLVD., S.
LAS VEGAS, NV 89109
X
CEO AND PRESIDENT

Signatures
/s/ Jessica Cunningham, Attorney-In-Fact 2/25/2021
**Signature of Reporting Person Date